Polar M400 vs. Garmin 645 Music vs. LG Watch Urbane 2 vs. Fitbit Alta HR vs. Huawei Band 2

 
M400
645 Music
Watch Urbane 2
Alta HR
Band 2
 PolarM400Remove Buy NowGarmin645 MusicRemove Buy NowLGWatch Urbane 2Remove Buy NowFitbitAlta HRRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$450$300$150$69.99
Release20142018201520172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 hours to 30 days7 daysNA7 days21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240480 x 480128 x 36128 x 32
Sizen/a1.2 inches1.38 inches1.4 inches0.91 inches
Touch
Typen/aMIPP-OLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables